Hi,
Did this problem appear in all files?
What version of Office did you use?
Error code 0xc000012f typically indicates a problem with corrupted system files or program files. Here are some steps you can try to resolve this issue:
I suggest you run System File Checker: Open Command Prompt as an administrator- Type sfc /scannow
and press Enter- Wait for the scan to complete and follow any instructions.
You can also try to run an online repair for Office: https://support.microsoft.com/en-us/office/repair-an-office-application-7821d4b6-7c1d-4205-aa0e-a6b40c5bb88b
Please be a bit more precise to explain your problem or you can upload a screenshot so that I can get more accurate solutions to this problem. I’m glad to help and follow up your reply.
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